Home / 782,715.34-1,080,665.30-601,101.39

Finding the Fourth Proportional to 782,715.34, 1,080,665.30 and 601,101.39

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Solution

The fourth proportional to 782,715.34, 1,080,665.30 and 601,101.39 is: 829,917.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,715.34 : 1,080,665.30 = 601,101.39 : x
  2. Step 2: Convert to fraction form
    782,715.34/1,080,665.30 = 601,101.39/x
  3. Step 3: Cross multiply
    782,715.34x = 1,080,665.30 × 601,101.39
  4. Step 4: Simplify right side
    782,715.34x = 649,589,415,457.52
  5. Step 5: Solve for x
    x = 649,589,415,457.52/782,715.34
  6. Step 6: Final answer
    x = 829,917.83

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.